GLM-5.1 (Reasoning) vs Qwen3 Coder Next
Which is better for the money: GLM-5.1 (Reasoning) by Z AI or Qwen3 Coder Next by Alibaba? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-09-22.
Trade-off
Verdict
Depends on your budget
GLM-5.1 (Reasoning) scores 16.9 points higher (26.1 vs 9.2) but costs 3.0× as much to run the benchmark ($1418 vs $476; premium vs mid-range cost classes). Pick GLM-5.1 (Reasoning) when the extra intelligence is worth the premium, otherwise Qwen3 Coder Next.
| Metric | GLM-5.1 (Reasoning) | Qwen3 Coder Next | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 26.1 | 9.2 | −64.8% Qwen3 Coder Next is 64.8% less intelligent |
| Total AA cost (lower is better) | $1,418.32 | $476.23 | −66.4% Qwen3 Coder Next is 66.4% cheaper |
| End-to-end time (lower is better) | 118.05s | 6.95s | −94.1% Qwen3 Coder Next is 94.1% faster |
| Price per 1M tokens (in / out) | $1.20 / $4.40 | $0.35 / $1.20 | |
| Input modalities | Text | Text |
Qwen3 Coder Next vs GLM-5.1 (Reasoning): 64.8% less intelligence, 66.4% less cost to run the AA benchmark, and 94.1% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GLM-5.1 (Reasoning) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
- Qwen3 Coder Next is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
GLM-5.1 (Reasoning)Qwen3 Coder NextToday's Pareto frontierOpen-weights frontierEvery other model
Matchup
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/glm-5-1/qwen3-coder-next · Markdown: /api/v1/compare/glm-5-1/qwen3-coder-next?format=md · llms.txt · agent skill